package org.hot100.h096;

/**
 * @Author: wjy
 * @Date: 2021/12/29 9:08
 */
public class Solution {

    public static void main(String[] args) {

    }

    /**
     * todo so hard
     * @param n
     * @return
     */
    public int numTrees(int n) {
        return 0;
    }

}
